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Finding the Fourth Proportional to 173,970.64, 240,080.40 and 97,489.92

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Solution

The fourth proportional to 173,970.64, 240,080.40 and 97,489.92 is: 134,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,970.64 : 240,080.40 = 97,489.92 : x
  2. Step 2: Convert to fraction form
    173,970.64/240,080.40 = 97,489.92/x
  3. Step 3: Cross multiply
    173,970.64x = 240,080.40 × 97,489.92
  4. Step 4: Simplify right side
    173,970.64x = 23,405,418,989.57
  5. Step 5: Solve for x
    x = 23,405,418,989.57/173,970.64
  6. Step 6: Final answer
    x = 134,536.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.